Training aid unit for a bicycle



FIG. 1 is a front view of the training aid unit for a bicycle showing mynew design;

FIG. 2 is a side view of the training aid unit for a bicycle showing mynew design;

FIG. 3 is a back view of the training aid unit for a bicycle showing mynew design;

FIG. 4 is a bottom view of the training aid unit for a bicycle showingmy new design; and,

FIG. 5 is a top view of the training aid unit for a bicycle showing mynew design.

The nature and environmental use of the claimed design includesattachment to a bicycle seat and frame.

The ornamental design for a training aid unit for a bicycle, as shown and described. 